13 results about "Ecosystem services" patented technology

The application discloses a natural ecosystem authenticity determination method and device, relates to the technical field of ecological evaluation, and comprises the following steps: acquiring land use data of a research area, and calculating an ecological structure authenticity index; identifying a natural reference area based on ecological environment zoning and the ecological structure authenticity index; acquiring ecosystem service data, and calculating an ecological process authenticity index and an ecological function authenticity index based on the natural reference area; acquiring species distribution data, and calculating a biological and indicator species authenticity index; acquiring human activity data, and calculating a human disturbance intensity index; and finally, normalizing and weightedly fusing the indexes to obtain a natural ecosystem authenticity comprehensive index. The application solves the problems of single dimension, neglect of regional natural benchmark differences and lack of a multi-factor comprehensive framework of the existing evaluation method, and significantly improves the scientific nature of natural reserve management.

The application relates to a renewable energy site selection method considering ecological service value and belongs to the technical field of renewable energy site selection. The application considers the ecosystem influence of energy deployment, and proposes a renewable energy site selection method which comprehensively considers energy supply potential, economic, social, technical cost and ecosystem influence, and the method comprises the following steps: collecting basic data, processing obtained geographic information data; screening ecosystem service types, and determining various indexes involved in site selection; setting a limiting factor, and removing unfeasible patches in a region to be selected; calculating traditional index values and ecosystem service value related index values; determining the index weight by using an analytic hierarchy process; and quantitatively evaluating site selection suitability to obtain a renewable energy suitability distribution map. Therefore, the economic, social, technical and ecological comprehensive benefits of renewable energy site selection are optimized.

This invention discloses a comprehensive ecological risk early warning method and system, belonging to the field of urban ecological planning. The method includes: obtaining land use raster sequences based on multi-scenario land use simulation; assessing ecosystem service supply capacity and ecological exposure intensity; identifying service degradation indices and co-degradation event variables; performing nonlinear threshold diagnosis based on co-degradation events and candidate driving factors to obtain a robust threshold set; constructing threshold crossing ratios based on robust thresholds; and fusing the service degradation index, ecological exposure intensity, and threshold crossing ratios to obtain a comprehensive ecological risk early warning index and outputting it in a tiered manner. This invention realizes the transformation of risk from static grading to process-oriented early warning, explicitly extracts the nonlinear thresholds of key driving factors, and directly translates the early warning results into early warning levels, control boundaries, and differentiated governance strategies, providing a unified technical solution for urban ecological risk prevention and control and land space governance.

This invention relates to the field of resource and environmental protection technology, and in particular to a method for evaluating the resource and environmental carrying capacity of island cities based on ecosystem service functions. The comprehensive evaluation index of ecosystem services obtained through the assessment and calculation of ecosystem service functions is applied to the rapid assessment of resource and environmental carrying capacity, providing decision support for regional ecosystem protection and sustainable development.

This invention discloses a method and apparatus for scenario simulation of a water-soil-ecology-economy coupled system based on system dynamics. The method includes: identifying key variables of the water subsystem, soil subsystem, ecological subsystem, and economic subsystem; constructing a causal loop diagram based on the feedback relationships between the key variables of each subsystem; generating a stock-flow diagram based on the causal loop diagram; establishing core equations based on the stock-flow diagram to obtain an ecosystem dynamics model corresponding to the coupled system; inputting scenario parameters of multiple scenarios into the ecosystem dynamics model for scenario simulation, obtaining dynamic change curves of each ecosystem service evaluation index under each scenario within a predetermined time range, and evaluating the ecosystem services of each scenario to determine the optimal scenario. Based on this, the complex feedback relationships between the four subsystems of water, soil, ecology, and economy can be characterized, and the optimal scenario can be determined. The optimal strategy corresponding to the optimal scenario can provide a specific path for the coordinated management and control of regional resources and environment.

The present invention relates to an area-linked forest product cultivation game system based on ecosystem services of mountain villages. The present invention allows a user to experience the enjoyment of a mountain village life through a virtual forest product cultivation game that reflects the ecosystem of a mountain village area, and a virtual activity in the game to be linked to the consumption of reality through a reward system linked to a store in an actual mountain village area, thereby promoting the consumption of specialties from the mountain village area and contributing to the activation of local economy. The present invention is a technology developed through Academic Research Infrastructure Establishment Program for Science and Engineering (2340002809 / 2021R1I1A3044195), "Development and application of a Korean-style sustainable forest ecosystem service management model" on March 01, 2024 to February 28, 2025 supported by the National Research Foundation of Korea grant funded by the Ministry of Education of Korea.

The present application belongs to the field of agricultural information technology, and particularly relates to a kind of method for evaluating the effect of farming and herding household livelihood transition based on multi-scale data fusion, which first obtains and integrates multi-source data of farming and herding household scale and landscape scale; subsequently, at the scale of farming and herding household, the income-asset regression model and latent variable cluster analysis are used to generate the classification results of livelihood strategies, and the multi-item Logit model is used to analyze the driving factors; at the landscape scale, the model simulating land use change under different scenarios is constructed based on the driving factors, and the equivalent factor method is used to quantify the changes in ecosystem service value caused thereby; finally, at the regional scale, the changes in ecosystem service value are taken as the core ecological constraint, and the multi-objective programming model is used to generate the sustainable livelihood transition scheme with the optimal comprehensive benefits of ecology and economy. The present application breaks through the limitations of traditional single-scale static analysis, and realizes the multi-level dynamic coupling evaluation from micro-behavior to macro-effect.

This application discloses a data processing system and method for assessing regional ecological compensation standards. The system includes a data acquisition module that acquires multi-source spatiotemporal data of a target area; a spatial analysis module that performs spatial functional zoning and grid processing on the multi-source spatiotemporal data to obtain functional zone distribution data of the target area; a value quantification module that performs regional adaptive correction of the ecosystem service value benchmark based on economic parameters in the multi-source spatiotemporal data, and calculates the quantified ecological value per unit area for different functional zones by combining the functional zone distribution data; and a compensation decision module that generates spatially differentiated ecological compensation standards based on the functional zone distribution data and its corresponding quantified ecological value per unit area. This invention significantly improves the accuracy of spatial heterogeneity analysis of ecosystem service value, effectively reveals its spatiotemporal evolution patterns, and overcomes the ambiguity of large-scale assessments.

This invention discloses a spatial function coordination and optimization method and system for climate adaptability, belonging to the field of geographic information and spatial planning technology. The method quantifies the supply of ecosystem services in ecological, agricultural, and urban spaces by collecting multi-source data and conducting dynamic assessments; then, it constructs a functional coordination model to analyze the supply and demand relationships and spatial flows, identifying areas of coordination and conflict; finally, it integrates future climate scenarios and generates spatial configuration optimization schemes that balance climate adaptability and development constraints through iterative simulations using multi-objective optimization algorithms. The corresponding system includes five modules: data acquisition and preprocessing, dynamic ecosystem service assessment, coordinated analysis of the functions of ecological, agricultural, and urban spaces, climate adaptability scenario simulation and optimization, and decision support and visualization output. This invention solves the problems of static assessment, fragmented spatial analysis, and lack of climate foresight in traditional methods, significantly improving the climate adaptability and scientific rigor of spatial planning.

The present application relates to a sensitive ecosystem service flow analysis system and method for multi-source spatio-temporal big data, which comprises a geographic information module, a data processing module, a model construction module and a service flow analysis module; the geographic information module is used to construct an evaluation unit; the data processing module is used to analyze and process the multi-source spatio-temporal big data of the geographic block to obtain target data; the model construction module fits the data to generate a decay analysis model; the service flow analysis module is used to call the decay analysis model, conduct spatial diffusion analysis according to the potential supply capacity of the service supply unit to determine the potential supply amount of the evaluation unit, and map the results to the geographic block. The present application can fully embody the three elements of supply side, demand side and ecological service flow dynamics, effectively avoid sample bias, and improve the accuracy and robustness of public space dynamic analysis.

The method for coupling partition of ecosystem services and landscape ecological risk based on XGBoost-SHAP driving threshold identification belongs to the technical field of ecological system comprehensive evaluation and land space fine management. The method solves the problems that the existing coupling partition boundary relies on experience division, lacks quantitative identification of driving threshold, and is difficult to depict the critical interval of coupling state transition. The technical scheme is as follows: preprocessing multi-source data to construct a grid database, calculating the ecosystem service value and the landscape ecological risk to obtain the coupling coordination degree grade; taking the coupling coordination degree as the dependent variable to construct an XGBoost regression model to identify the key driving factors, and extracting the critical threshold value through the SHAP method; combining the coupling coordination degree grade and the driving factor threshold interval to construct a two-dimensional partition rule, completing the ecological safety partition and integrating the patches. The method realizes the quantitative of the critical interval of the coupling state, improves the scientificity of the ecological safety partition, and is suitable for regional ecological evaluation and land space fine management.